Cobalt
#18579A
BlueColor Codes
All color formats for development
HEX
#18579ARGB
rgb(24, 87, 154)HSL
hsl(211, 73%, 35%)OKLCH
oklch(0.455 0.126 253.6)CMYK
cmyk(84%, 44%, 0%, 40%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#164E8B
2#13467C
3#113D6C
4#0E345D
5#0C2C4D
6#0A233E
7#071A2E
8#05111F
9#02090F
Tints
Lighter variations
1#1D67B7
2#2177D4
3#3688E0
4#5399E4
5#70AAE9
6#8CBBED
7#A9CCF2
8#C6DDF6
9#E2EEFB
Tones
Muted variations
1#1F5794
2#25588D
3#2C5887
4#325880
5#39587A
6#3F5873
7#46596D
8#4C5966
9#535960
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F2F7 #F2F7FD | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E0ED #E0EDFA | Light backgroundsTable row hoverSkeleton loading |
| 200 | C6DD #C6DDF6 | Secondary backgroundsInput backgroundsDividers |
| 300 | 9AC3 #9AC3EF | BordersInactive statesPlaceholder text |
| 400 | 65A4 #65A4E7 | Disabled statesSecondary iconsMuted text |
| 500 | 3889 #3889E0 | Primary brand colorCTAsActive elementsLinks |
| 600 | 1E6D #1E6DC2 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 1857 #18579A | Active/pressed statesDark mode accentsSecondary text |
| 800 | 113E #113E6E | Text on light backgroundsHeadingsStrong borders |
| 900 | 0B28 #0B2847 | Primary textHigh emphasis contentDark headings |
| 950 | 0719 #07192C | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F2F7FD;
--cobalt-100: #E0EDFA;
--cobalt-200: #C6DDF6;
--cobalt-300: #9AC3EF;
--cobalt-400: #65A4E7;
--cobalt-500: #3889E0;
--cobalt-600: #1E6DC2;
--cobalt-700: #18579A;
--cobalt-800: #113E6E;
--cobalt-900: #0B2847;
--cobalt-950: #07192C;
}